Switch



FIG. 1 is a top perspective view showing our new design of a switch;

FIG. 2 is a front elevational view thereof, the rear elevational view being identical;

FIG. 3 is a left side elevational view thereof, the right side elevational view being identical;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines shown in FIGS. 1 and 5 are for the purpose of illustrating environment, and form no part of the claimed design. 

CLAIM The ornamental design for a switch, as shown and described. 